| article html file updated | 15 August 2026 13:43 CEST | Update | https://www.mdpi.com/1996-1944/12/1/106 |
| article html file updated | 30 August 2025 10:27 CEST | Update | N/A |
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| article html file updated | 4 January 2019 03:32 CET | Update | N/A |
| article pdf uploaded. | 4 January 2019 03:30 CET | Updated version of record | https://www.mdpi.com/1996-1944/12/1/106/pdf |
| article xml uploaded. | 4 January 2019 03:30 CET | Update | https://www.mdpi.com/1996-1944/12/1/106/xml |
| article xml file uploaded | 4 January 2019 03:30 CET | Update | N/A |
| article html file updated | 30 December 2018 08:29 CET | Original file | N/A |
| article pdf uploaded. | 30 December 2018 08:28 CET | Version of Record | https://www.mdpi.com/1996-1944/12/1/106/pdf-vor |
| article xml uploaded. | 30 December 2018 08:28 CET | Update | N/A |
| article xml file uploaded | 30 December 2018 08:28 CET | Original file | N/A |
